---
title: "readAttributeAverageRmsUnderVoltage(with:)"
framework: matter
role: symbol
role_heading: Instance Method
path: "matter/mtrclusterelectricalmeasurement/readattributeaveragermsundervoltage(with:)"
---

# readAttributeAverageRmsUnderVoltage(with:)

## Declaration

```swift
func readAttributeAverageRmsUnderVoltage(with params: MTRReadParams?) -> [String : Any]?
```